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[虚拟币交流]
比特币算力大跌25%！主因是美国德州矿池因寒流限电关机（18日转）
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1 L4 A1 V( F* X- D
近日，比特币全网算力出现显著下降，根据Blockchain.com的数据，从上周五的约
" j6 e {6 \2 Y9 T4 {! w600EH/s降至昨日的440EH/s，跌幅高达25%。这主要是因为美国德州面临严重寒流，导致当地电WJ管机构
2 W& v* {' X/ ]: d, Y0 L# K9 jERCOT在14至17日期间要求限电，以应对极端寒冷天气可能带来的电力需求激增。% W0 ~- v: I/ Q7 ?1 @
德州限电是主因
) _5 Y- M% j1 V$ w* k5 O1 |The Miner Mag先前报导指出，这次算力下降主要由Foundry USA Pool引起，该矿池的矿工客户减少了高达
7 u( e* F( S/ R75EH/s的算力。而截至9月份，连接到Foundry矿池的算力中有超过28%位于德州，因此这次算力下降与德州的8 p8 Z: \4 @9 V5 K' `. O8 v
限电措施密切相关。2 q/ W, V- t4 e
Mining Pool Stats的数据显示，自周日以来，Foundry USA Pool和蚂蚁矿池的算力大幅下降，这两个最大的比
l( x; q0 V2 v' E0 ?" ?& D特币矿池占全网算力下降的70%以上。
- c; |9 B+ ~- k) l截至目前，随着ERCOT在今日凌晨宣布结束天气警报，Foundry USA Pool和蚂蚁矿池的算力已分别回升至# j7 W7 T# a: j. \9 {1 c
146.54EH/s和125EH/s。& D( H) I. k* l9 O# }
这次事件除了凸显地方制策对比特币挖矿活动的影响外，也彰显出比特币挖矿活动「可便利中断操作」的独特优
4 o( {8 E% i1 h势。受此影响的北美3大矿企之一，Marathon Digital的企业传播副总裁查理·舒马赫表示：比特币矿机在很多方4 s: j7 T( n9 ?
面是能源产业的技术解决方案。在德州，他们提供了稳定的基本能源负荷，并且能在几分钟内调整产量，以便在
- Y' y$ B4 D* d7 W( G紧急情况下为其他用户释放能源。这正是我们最近几天所见证的情形。1 Z' M# [) }% T
德州继天朝后，成为比特币挖矿中心) l& q" S; y5 Y( c
值得一提的是，德州是天朝自2021年打击挖矿产业后，迅速崛起成为比特币挖矿的新枢纽。矿工认为，他们的挖
$ {+ _; C4 L/ C) E( h矿活动对德州电网有益，因为他们对电力的灵活使用可以加强该州的电网：能在用电高峰期降低电力需求，在低
6 ^) f" ?5 f6 ]' v- C% M% F谷期增加电力供应。
6 \/ z, ? @/ G德州以其廉价的电力、电网激励政策和非管制的能源市场吸引了多家公司，包括Marathon Digital、Riot
! B' h2 t2 T' \! h- KPlatforms和Iris Energy，增加了在该州的挖矿设施。根据Foundry于9月的报告，使用其德州矿池的美国比特币1 f9 [ W! b1 E( m$ \( Q9 O8 r* Q
矿工占美国总算力的28.5%，高于2021年的8.4%，是全美各州中最高的。) J9 x4 n* B% I! ~$ d9 l
德州的比特币矿业也积极参与电力需求管理。例如，Riot Platforms在8月从ERCOT获得了3,170万美元的电力和
5 r8 q k. G- ~) l; i, f需求响应信贷，作为其配合在夏季高温期间将用电量削减超过95%的激励。Iris Energy也在同月因自愿减少电力
* |0 G& {+ t8 i% ?( `使用而获得230万美元的能源信贷。/ w! |( ~# S6 J$ D# {' Z7 S: k
# g8 d3 C, C& J N K8 j
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